1 /* This file is part of Metaproxy.
2 Copyright (C) 2005-2011 Index Data
4 Metaproxy is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Metaproxy is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <sys/types.h>
23 #include "filter_zoom.hpp"
24 #include <metaproxy/package.hpp>
25 #include <metaproxy/util.hpp>
26 #include <metaproxy/xmlutil.hpp>
29 #include <libxslt/xsltutils.h>
30 #include <libxslt/transform.h>
32 #include <boost/thread/mutex.hpp>
33 #include <boost/thread/condition.hpp>
35 #include <yaz/yaz-version.h>
36 #include <yaz/tpath.h>
38 #include <yaz/ccl_xml.h>
40 #include <yaz/rpn2cql.h>
41 #include <yaz/rpn2solr.h>
42 #include <yaz/pquery.h>
44 #include <yaz/oid_db.h>
45 #include <yaz/diagbib1.h>
48 #include <yaz/querytowrbuf.h>
49 #include <yaz/sortspec.h>
50 #include <yaz/tokenizer.h>
53 namespace mp = metaproxy_1;
54 namespace yf = mp::filter;
56 namespace metaproxy_1 {
58 class Zoom::Searchable : boost::noncopyable {
60 std::string authentication;
66 std::string query_encoding;
68 std::string sru_version;
69 std::string request_syntax;
70 std::string element_set;
71 std::string record_encoding;
72 std::string transform_xsl_fname;
73 std::string transform_xsl_content;
74 std::string urlRecipe;
75 std::string contentConnector;
76 std::string sortStrategy;
79 CCL_bibset ccl_bibset;
80 std::map<std::string, std::string> sortmap;
81 Searchable(CCL_bibset base);
84 class Zoom::Backend : boost::noncopyable {
86 friend class Frontend;
89 ZOOM_connection m_connection;
90 ZOOM_resultset m_resultset;
91 std::string m_frontend_database;
93 xsltStylesheetPtr xsp;
94 std::string content_session_id;
96 Backend(SearchablePtr sptr);
98 void connect(std::string zurl, int *error, char **addinfo,
100 void search(ZOOM_query q, Odr_int *hits,
101 int *error, char **addinfo, ODR odr);
102 void present(Odr_int start, Odr_int number, ZOOM_record *recs,
103 int *error, char **addinfo, ODR odr);
104 void set_option(const char *name, const char *value);
105 void set_option(const char *name, std::string value);
106 const char *get_option(const char *name);
107 void get_zoom_error(int *error, char **addinfo, ODR odr);
109 class Zoom::Frontend : boost::noncopyable {
114 yazpp_1::GDU m_init_gdu;
115 BackendPtr m_backend;
116 void handle_package(mp::Package &package);
117 void handle_search(mp::Package &package);
118 void handle_present(mp::Package &package);
119 BackendPtr get_backend_from_databases(mp::Package &package,
120 std::string &database,
125 bool create_content_session(mp::Package &package,
130 std::string authentication,
133 void prepare_elements(BackendPtr b,
134 Odr_oid *preferredRecordSyntax,
135 const char *element_set_name,
136 bool &enable_pz2_retrieval,
137 bool &enable_pz2_transform,
138 bool &assume_marc8_charset);
140 Z_Records *get_records(Package &package,
142 Odr_int number_to_present,
145 Odr_int *number_of_records_returned,
146 ODR odr, BackendPtr b,
147 Odr_oid *preferredRecordSyntax,
148 const char *element_set_name);
150 void log_diagnostic(mp::Package &package,
151 int error, const char *addinfo);
153 Frontend(Impl *impl);
157 friend class Frontend;
161 void process(metaproxy_1::Package & package);
162 void configure(const xmlNode * ptr, bool test_only,
165 void configure_local_records(const xmlNode * ptr, bool test_only);
166 FrontendPtr get_frontend(mp::Package &package);
167 void release_frontend(mp::Package &package);
168 SearchablePtr parse_torus_record(const xmlNode *ptr);
169 struct cql_node *convert_cql_fields(struct cql_node *cn, ODR odr);
170 std::map<mp::Session, FrontendPtr> m_clients;
171 boost::mutex m_mutex;
172 boost::condition m_cond_session_ready;
173 std::string torus_url;
174 std::string default_realm;
175 std::map<std::string,std::string> fieldmap;
177 std::string file_path;
178 std::string content_proxy_server;
179 std::string content_tmp_file;
182 std::string element_transform;
183 std::string element_raw;
185 std::map<std::string,SearchablePtr> s_map;
190 // define Pimpl wrapper forwarding to Impl
192 yf::Zoom::Zoom() : m_p(new Impl)
197 { // must have a destructor because of boost::scoped_ptr
200 void yf::Zoom::configure(const xmlNode *xmlnode, bool test_only,
203 m_p->configure(xmlnode, test_only, path);
206 void yf::Zoom::process(mp::Package &package) const
208 m_p->process(package);
212 // define Implementation stuff
214 yf::Zoom::Backend::Backend(SearchablePtr ptr) : sptr(ptr)
216 m_apdu_wrbuf = wrbuf_alloc();
217 m_connection = ZOOM_connection_create(0);
218 ZOOM_connection_save_apdu_wrbuf(m_connection, m_apdu_wrbuf);
223 yf::Zoom::Backend::~Backend()
226 xsltFreeStylesheet(xsp);
227 ZOOM_connection_destroy(m_connection);
228 ZOOM_resultset_destroy(m_resultset);
232 void yf::Zoom::Backend::get_zoom_error(int *error, char **addinfo,
236 const char *zoom_addinfo = 0;
237 const char *dset = 0;
238 int error0 = ZOOM_connection_error_x(m_connection, &msg,
239 &zoom_addinfo, &dset);
245 if (!strcmp(dset, "info:srw/diagnostic/1"))
246 *error = yaz_diag_srw_to_bib1(error0);
247 else if (!strcmp(dset, "Bib-1"))
250 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
252 *addinfo = (char *) odr_malloc(
253 odr, 30 + strlen(dset) + strlen(msg) +
254 (zoom_addinfo ? strlen(zoom_addinfo) : 0));
256 if (zoom_addinfo && *zoom_addinfo)
258 strcpy(*addinfo, zoom_addinfo);
259 strcat(*addinfo, " ");
261 sprintf(*addinfo + strlen(*addinfo), "(%s %d %s)", dset, error0, msg);
265 void yf::Zoom::Backend::connect(std::string zurl,
266 int *error, char **addinfo,
269 ZOOM_connection_connect(m_connection, zurl.c_str(), 0);
270 get_zoom_error(error, addinfo, odr);
273 void yf::Zoom::Backend::search(ZOOM_query q, Odr_int *hits,
274 int *error, char **addinfo, ODR odr)
276 m_resultset = ZOOM_connection_search(m_connection, q);
277 get_zoom_error(error, addinfo, odr);
279 *hits = ZOOM_resultset_size(m_resultset);
284 void yf::Zoom::Backend::present(Odr_int start, Odr_int number,
286 int *error, char **addinfo, ODR odr)
288 ZOOM_resultset_records(m_resultset, recs, start, number);
289 get_zoom_error(error, addinfo, odr);
292 void yf::Zoom::Backend::set_option(const char *name, const char *value)
294 ZOOM_connection_option_set(m_connection, name, value);
296 ZOOM_resultset_option_set(m_resultset, name, value);
299 void yf::Zoom::Backend::set_option(const char *name, std::string value)
301 set_option(name, value.c_str());
304 const char *yf::Zoom::Backend::get_option(const char *name)
306 return ZOOM_connection_option_get(m_connection, name);
309 yf::Zoom::Searchable::Searchable(CCL_bibset base)
312 use_turbomarc = true;
313 sortStrategy = "embed";
314 urlRecipe = "${md-electronic-url}";
315 ccl_bibset = ccl_qual_dup(base);
318 yf::Zoom::Searchable::~Searchable()
320 ccl_qual_rm(&ccl_bibset);
323 yf::Zoom::Frontend::Frontend(Impl *impl) :
324 m_p(impl), m_is_virtual(false), m_in_use(true)
328 yf::Zoom::Frontend::~Frontend()
332 yf::Zoom::FrontendPtr yf::Zoom::Impl::get_frontend(mp::Package &package)
334 boost::mutex::scoped_lock lock(m_mutex);
336 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
340 it = m_clients.find(package.session());
341 if (it == m_clients.end())
344 if (!it->second->m_in_use)
346 it->second->m_in_use = true;
349 m_cond_session_ready.wait(lock);
351 FrontendPtr f(new Frontend(this));
352 m_clients[package.session()] = f;
357 void yf::Zoom::Impl::release_frontend(mp::Package &package)
359 boost::mutex::scoped_lock lock(m_mutex);
360 std::map<mp::Session,yf::Zoom::FrontendPtr>::iterator it;
362 it = m_clients.find(package.session());
363 if (it != m_clients.end())
365 if (package.session().is_closed())
371 it->second->m_in_use = false;
373 m_cond_session_ready.notify_all();
377 yf::Zoom::Impl::Impl() :
378 apdu_log(false), element_transform("pz2") , element_raw("raw")
380 bibset = ccl_qual_mk();
382 srand((unsigned int) time(0));
385 yf::Zoom::Impl::~Impl()
387 ccl_qual_rm(&bibset);
390 yf::Zoom::SearchablePtr yf::Zoom::Impl::parse_torus_record(const xmlNode *ptr)
392 Zoom::SearchablePtr s(new Searchable(bibset));
394 for (ptr = ptr->children; ptr; ptr = ptr->next)
396 if (ptr->type != XML_ELEMENT_NODE)
398 if (!strcmp((const char *) ptr->name, "layer"))
400 else if (!strcmp((const char *) ptr->name,
403 s->authentication = mp::xml::get_text(ptr);
405 else if (!strcmp((const char *) ptr->name,
408 s->cfAuth = mp::xml::get_text(ptr);
410 else if (!strcmp((const char *) ptr->name,
413 s->cfProxy = mp::xml::get_text(ptr);
415 else if (!strcmp((const char *) ptr->name,
418 s->cfSubDB = mp::xml::get_text(ptr);
420 else if (!strcmp((const char *) ptr->name,
423 s->contentConnector = mp::xml::get_text(ptr);
425 else if (!strcmp((const char *) ptr->name, "udb"))
427 s->udb = mp::xml::get_text(ptr);
429 else if (!strcmp((const char *) ptr->name, "zurl"))
431 s->target = mp::xml::get_text(ptr);
433 else if (!strcmp((const char *) ptr->name, "sru"))
435 s->sru = mp::xml::get_text(ptr);
437 else if (!strcmp((const char *) ptr->name, "SRUVersion") ||
438 !strcmp((const char *) ptr->name, "sruVersion"))
440 s->sru_version = mp::xml::get_text(ptr);
442 else if (!strcmp((const char *) ptr->name,
445 s->query_encoding = mp::xml::get_text(ptr);
447 else if (!strcmp((const char *) ptr->name,
450 s->piggyback = mp::xml::get_bool(ptr, true);
452 else if (!strcmp((const char *) ptr->name,
455 s->request_syntax = mp::xml::get_text(ptr);
457 else if (!strcmp((const char *) ptr->name,
460 s->element_set = mp::xml::get_text(ptr);
462 else if (!strcmp((const char *) ptr->name,
465 s->record_encoding = mp::xml::get_text(ptr);
467 else if (!strcmp((const char *) ptr->name,
470 s->transform_xsl_fname = mp::xml::get_text(ptr);
472 else if (!strcmp((const char *) ptr->name,
475 s->transform_xsl_content = mp::xml::get_text(ptr);
477 else if (!strcmp((const char *) ptr->name,
480 s->urlRecipe = mp::xml::get_text(ptr);
482 else if (!strcmp((const char *) ptr->name,
485 ; // useTurboMarc is ignored
487 else if (!strncmp((const char *) ptr->name,
490 std::string value = mp::xml::get_text(ptr);
491 ccl_qual_fitem(s->ccl_bibset, value.c_str(),
492 (const char *) ptr->name + 7);
494 else if (!strncmp((const char *) ptr->name,
497 std::string value = mp::xml::get_text(ptr);
498 s->sortmap[(const char *) ptr->name + 8] = value;
500 else if (!strcmp((const char *) ptr->name,
503 s->sortStrategy = mp::xml::get_text(ptr);
509 void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
511 while (ptr && ptr->type != XML_ELEMENT_NODE)
516 if (!strcmp((const char *) ptr->name, "records"))
518 for (ptr = ptr->children; ptr; ptr = ptr->next)
520 if (ptr->type != XML_ELEMENT_NODE)
522 if (!strcmp((const char *) ptr->name, "record"))
524 SearchablePtr s = parse_torus_record(ptr);
527 std::string udb = s->udb;
532 throw mp::filter::FilterException
533 ("No udb for local torus record");
539 throw mp::filter::FilterException
541 + std::string((const char *) ptr->name)
542 + " in zoom filter inside element "
549 throw mp::filter::FilterException
551 + std::string((const char *) ptr->name)
552 + " in zoom filter inside element <torus>");
557 void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
560 content_tmp_file = "/tmp/cf.XXXXXX.p";
565 for (ptr = ptr->children; ptr; ptr = ptr->next)
567 if (ptr->type != XML_ELEMENT_NODE)
569 else if (!strcmp((const char *) ptr->name, "torus"))
571 const struct _xmlAttr *attr;
572 for (attr = ptr->properties; attr; attr = attr->next)
574 if (!strcmp((const char *) attr->name, "url"))
575 torus_url = mp::xml::get_text(attr->children);
576 else if (!strcmp((const char *) attr->name, "realm"))
577 default_realm = mp::xml::get_text(attr->children);
578 else if (!strcmp((const char *) attr->name, "xsldir"))
579 xsldir = mp::xml::get_text(attr->children);
580 else if (!strcmp((const char *) attr->name, "element_transform"))
581 element_transform = mp::xml::get_text(attr->children);
582 else if (!strcmp((const char *) attr->name, "element_raw"))
583 element_raw = mp::xml::get_text(attr->children);
584 else if (!strcmp((const char *) attr->name, "proxy"))
585 proxy = mp::xml::get_text(attr->children);
587 throw mp::filter::FilterException(
588 "Bad attribute " + std::string((const char *)
591 configure_local_records(ptr->children, test_only);
593 else if (!strcmp((const char *) ptr->name, "cclmap"))
595 const char *addinfo = 0;
596 ccl_xml_config(bibset, ptr, &addinfo);
598 else if (!strcmp((const char *) ptr->name, "fieldmap"))
600 const struct _xmlAttr *attr;
601 std::string ccl_field;
602 std::string cql_field;
603 for (attr = ptr->properties; attr; attr = attr->next)
605 if (!strcmp((const char *) attr->name, "ccl"))
606 ccl_field = mp::xml::get_text(attr->children);
607 else if (!strcmp((const char *) attr->name, "cql"))
608 cql_field = mp::xml::get_text(attr->children);
610 throw mp::filter::FilterException(
611 "Bad attribute " + std::string((const char *)
614 if (cql_field.length())
615 fieldmap[cql_field] = ccl_field;
617 else if (!strcmp((const char *) ptr->name, "contentProxy"))
619 const struct _xmlAttr *attr;
620 for (attr = ptr->properties; attr; attr = attr->next)
622 if (!strcmp((const char *) attr->name, "server"))
623 content_proxy_server = mp::xml::get_text(attr->children);
624 else if (!strcmp((const char *) attr->name, "tmp_file"))
625 content_tmp_file = mp::xml::get_text(attr->children);
627 throw mp::filter::FilterException(
628 "Bad attribute " + std::string((const char *)
632 else if (!strcmp((const char *) ptr->name, "log"))
634 const struct _xmlAttr *attr;
635 for (attr = ptr->properties; attr; attr = attr->next)
637 if (!strcmp((const char *) attr->name, "apdu"))
638 apdu_log = mp::xml::get_bool(attr->children, false);
640 throw mp::filter::FilterException(
641 "Bad attribute " + std::string((const char *)
647 throw mp::filter::FilterException
649 + std::string((const char *) ptr->name)
650 + " in zoom filter");
655 bool yf::Zoom::Frontend::create_content_session(mp::Package &package,
657 int *error, char **addinfo,
659 std::string authentication,
662 if (b->sptr->contentConnector.length())
664 char *fname = (char *) xmalloc(m_p->content_tmp_file.length() + 8);
665 strcpy(fname, m_p->content_tmp_file.c_str());
666 char *xx = strstr(fname, "XXXXXX");
669 xx = fname + strlen(fname);
670 strcat(fname, "XXXXXX");
672 char tmp_char = xx[6];
673 sprintf(xx, "%06d", ((unsigned) rand()) % 1000000);
676 FILE *file = fopen(fname, "w");
679 package.log("zoom", YLOG_WARN|YLOG_ERRNO, "create %s", fname);
680 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
681 *addinfo = (char *) odr_malloc(odr, 40 + strlen(fname));
682 sprintf(*addinfo, "Could not create %s", fname);
686 b->content_session_id.assign(xx, 6);
687 WRBUF w = wrbuf_alloc();
688 wrbuf_puts(w, "#content_proxy\n");
689 wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
690 if (authentication.length())
691 wrbuf_printf(w, "auth: %s\n", authentication.c_str());
693 wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
695 fwrite(wrbuf_buf(w), 1, wrbuf_len(w), file);
697 package.log("zoom", YLOG_LOG, "content file: %s", fname);
703 yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
704 mp::Package &package,
705 std::string &database, int *error, char **addinfo, ODR odr)
707 std::list<BackendPtr>::const_iterator map_it;
708 if (m_backend && m_backend->m_frontend_database == database)
711 std::string input_args;
712 std::string torus_db;
713 size_t db_arg_pos = database.find(',');
714 if (db_arg_pos != std::string::npos)
716 torus_db = database.substr(0, db_arg_pos);
717 input_args = database.substr(db_arg_pos + 1);
722 std::string authentication;
723 std::string content_authentication;
725 std::string content_proxy;
726 std::string realm = m_p->default_realm;
728 const char *param_user = 0;
729 const char *param_password = 0;
730 const char *param_content_user = 0;
731 const char *param_content_password = 0;
737 if (input_args.length())
738 no_parms = yaz_uri_to_array(input_args.c_str(),
739 odr, &names, &values);
740 // adding 10 because we'll be adding other URL args
741 const char **out_names = (const char **)
742 odr_malloc(odr, (10 + no_parms) * sizeof(*out_names));
743 const char **out_values = (const char **)
744 odr_malloc(odr, (10 + no_parms) * sizeof(*out_values));
747 for (i = 0; i < no_parms; i++)
749 const char *name = names[i];
750 const char *value = values[i];
753 if (!strcmp(name, "user"))
755 else if (!strcmp(name, "password"))
756 param_password = value;
757 else if (!strcmp(name, "content-user"))
758 param_content_user = value;
759 else if (!strcmp(name, "content-password"))
760 param_content_password = value;
761 else if (!strcmp(name, "content-proxy"))
762 content_proxy = value;
763 else if (!strcmp(name, "proxy"))
765 else if (!strcmp(name, "cproxysession"))
767 out_names[no_out_args] = name;
768 out_values[no_out_args++] = value;
770 else if (!strcmp(name, "realm"))
772 else if (name[0] == 'x' && name[1] == '-')
774 out_names[no_out_args] = name;
775 out_values[no_out_args++] = value;
780 char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
781 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
782 sprintf(msg, "Bad database argument: %s", name);
789 authentication = std::string(param_user);
791 authentication += "/" + std::string(param_password);
793 if (param_content_user)
795 content_authentication = std::string(param_content_user);
796 if (param_content_password)
797 content_authentication += "/" + std::string(param_content_password);
801 std::map<std::string,SearchablePtr>::iterator it;
802 it = m_p->s_map.find(torus_db);
803 if (it != m_p->s_map.end())
805 else if (m_p->torus_url.length() > 0)
807 xmlDoc *doc = mp::get_searchable(package,
808 m_p->torus_url, torus_db, realm,
812 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
813 *addinfo = odr_strdup(odr, database.c_str());
817 const xmlNode *ptr = xmlDocGetRootElement(doc);
819 { // presumably ptr is a records element node
820 // parse first record in document
821 for (ptr = ptr->children; ptr; ptr = ptr->next)
823 if (ptr->type == XML_ELEMENT_NODE
824 && !strcmp((const char *) ptr->name, "record"))
828 *error = YAZ_BIB1_UNSPECIFIED_ERROR;
829 *addinfo = (char*) odr_malloc(odr, 40 + database.length()),
830 sprintf(*addinfo, "multiple records for udb=%s",
836 sptr = m_p->parse_torus_record(ptr);
845 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
846 *addinfo = odr_strdup(odr, database.c_str());
851 xsltStylesheetPtr xsp = 0;
852 if (sptr->transform_xsl_content.length())
854 xmlDoc *xsp_doc = xmlParseMemory(sptr->transform_xsl_content.c_str(),
855 sptr->transform_xsl_content.length());
858 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
859 *addinfo = (char *) odr_malloc(odr, 40);
860 sprintf(*addinfo, "xmlParseMemory failed");
864 xsp = xsltParseStylesheetDoc(xsp_doc);
867 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
868 *addinfo = odr_strdup(odr, "xsltParseStylesheetDoc failed");
874 else if (sptr->transform_xsl_fname.length())
876 const char *path = 0;
878 if (m_p->xsldir.length())
879 path = m_p->xsldir.c_str();
881 path = m_p->file_path.c_str();
885 char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
891 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
893 odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
894 sprintf(*addinfo, "File could not be read: %s",
895 sptr->transform_xsl_fname.c_str());
899 xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
902 *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
903 *addinfo = (char *) odr_malloc(odr, 40 + fname.length());
904 sprintf(*addinfo, "xmlParseFile failed. File: %s", fname.c_str());
908 xsp = xsltParseStylesheetDoc(xsp_doc);
911 *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
912 *addinfo = odr_strdup(odr, "xsltParseStylesheetDoc failed");
921 BackendPtr b(new Backend(sptr));
924 b->m_frontend_database = database;
926 if (sptr->query_encoding.length())
927 b->set_option("rpnCharset", sptr->query_encoding);
929 b->set_option("timeout", "40");
932 b->set_option("apdulog", "1");
934 if (sptr->piggyback && sptr->sru.length())
935 b->set_option("count", "1"); /* some SRU servers INSIST on getting
936 maximumRecords > 0 */
937 b->set_option("piggyback", sptr->piggyback ? "1" : "0");
939 if (authentication.length() == 0)
940 authentication = sptr->authentication;
942 if (proxy.length() == 0)
943 proxy = sptr->cfProxy;
945 if (sptr->cfAuth.length())
948 b->set_option("user", sptr->cfAuth);
949 if (authentication.length())
951 size_t found = authentication.find('/');
952 if (found != std::string::npos)
954 out_names[no_out_args] = "user";
955 out_values[no_out_args++] =
956 odr_strdup(odr, authentication.substr(0, found).c_str());
958 out_names[no_out_args] = "password";
959 out_values[no_out_args++] =
960 odr_strdup(odr, authentication.substr(found+1).c_str());
964 out_names[no_out_args] = "user";
965 out_values[no_out_args++] =
966 odr_strdup(odr, authentication.c_str());
971 out_names[no_out_args] = "proxy";
972 out_values[no_out_args++] = odr_strdup(odr, proxy.c_str());
974 if (sptr->cfSubDB.length())
976 out_names[no_out_args] = "subdatabase";
977 out_values[no_out_args++] = odr_strdup(odr, sptr->cfSubDB.c_str());
982 size_t found = authentication.find('/');
984 if (sptr->sru.length() && found != std::string::npos)
986 b->set_option("user", authentication.substr(0, found));
987 b->set_option("password", authentication.substr(found+1));
990 b->set_option("user", authentication);
993 b->set_option("proxy", proxy);
996 if (sptr->sru.length())
998 url = "http://" + sptr->target;
999 b->set_option("sru", sptr->sru);
1001 if (sptr->sru_version.length())
1002 b->set_option("sru_version", sptr->sru_version);
1011 out_names[no_out_args] = 0; // terminate list
1013 yaz_array_to_uri(&x_args, odr, (char **) out_names,
1014 (char **) out_values);
1015 url += "," + std::string(x_args);
1017 package.log("zoom", YLOG_LOG, "url: %s", url.c_str());
1018 b->connect(url, error, addinfo, odr);
1020 create_content_session(package, b, error, addinfo, odr,
1021 content_authentication.length() ?
1022 content_authentication : authentication,
1023 content_proxy.length() ? content_proxy : proxy);
1029 void yf::Zoom::Frontend::prepare_elements(BackendPtr b,
1030 Odr_oid *preferredRecordSyntax,
1031 const char *element_set_name,
1032 bool &enable_pz2_retrieval,
1033 bool &enable_pz2_transform,
1034 bool &assume_marc8_charset)
1037 char oid_name_str[OID_STR_MAX];
1038 const char *syntax_name = 0;
1040 if (preferredRecordSyntax &&
1041 !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml)
1042 && element_set_name)
1044 if (!strcmp(element_set_name, m_p->element_transform.c_str()))
1046 enable_pz2_retrieval = true;
1047 enable_pz2_transform = true;
1049 else if (!strcmp(element_set_name, m_p->element_raw.c_str()))
1051 enable_pz2_retrieval = true;
1055 if (enable_pz2_retrieval)
1057 std::string configured_request_syntax = b->sptr->request_syntax;
1058 if (configured_request_syntax.length())
1060 syntax_name = configured_request_syntax.c_str();
1061 const Odr_oid *syntax_oid =
1062 yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
1063 if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
1064 || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
1065 assume_marc8_charset = true;
1068 else if (preferredRecordSyntax)
1070 yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
1072 if (b->sptr->sru.length())
1073 syntax_name = "XML";
1075 b->set_option("preferredRecordSyntax", syntax_name);
1077 if (enable_pz2_retrieval)
1079 element_set_name = 0;
1080 if (b->sptr->element_set.length())
1081 element_set_name = b->sptr->element_set.c_str();
1084 b->set_option("elementSetName", element_set_name);
1085 if (b->sptr->sru.length() && element_set_name)
1086 b->set_option("schema", element_set_name);
1089 Z_Records *yf::Zoom::Frontend::get_records(Package &package,
1091 Odr_int number_to_present,
1094 Odr_int *number_of_records_returned,
1097 Odr_oid *preferredRecordSyntax,
1098 const char *element_set_name)
1100 *number_of_records_returned = 0;
1101 Z_Records *records = 0;
1102 bool enable_pz2_retrieval = false; // whether target profile is used
1103 bool enable_pz2_transform = false; // whether XSLT is used as well
1104 bool assume_marc8_charset = false;
1106 prepare_elements(b, preferredRecordSyntax,
1108 enable_pz2_retrieval,
1109 enable_pz2_transform,
1110 assume_marc8_charset);
1112 package.log("zoom", YLOG_LOG, "pz2_retrieval: %s . pz2_transform: %s",
1113 enable_pz2_retrieval ? "yes" : "no",
1114 enable_pz2_transform ? "yes" : "no");
1116 if (start < 0 || number_to_present <=0)
1119 if (number_to_present > 10000)
1120 number_to_present = 10000;
1122 ZOOM_record *recs = (ZOOM_record *)
1123 odr_malloc(odr, (size_t) number_to_present * sizeof(*recs));
1125 b->present(start, number_to_present, recs, error, addinfo, odr);
1130 for (i = 0; i < number_to_present; i++)
1135 { // only return records if no error and at least one record
1136 char *odr_database = odr_strdup(odr,
1137 b->m_frontend_database.c_str());
1138 Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
1139 odr_malloc(odr, sizeof(*npl));
1140 *number_of_records_returned = i;
1141 npl->num_records = i;
1142 npl->records = (Z_NamePlusRecord **)
1143 odr_malloc(odr, i * sizeof(*npl->records));
1144 for (i = 0; i < number_to_present; i++)
1146 Z_NamePlusRecord *npr = 0;
1147 const char *addinfo;
1149 package.log("zoom", YLOG_LOG, "Inspecting record at position %d",
1151 int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
1152 &addinfo, 0 /* diagset */);
1156 log_diagnostic(package, sur_error, addinfo);
1157 npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
1160 else if (enable_pz2_retrieval)
1162 char rec_type_str[100];
1163 const char *record_encoding = 0;
1165 if (b->sptr->record_encoding.length())
1166 record_encoding = b->sptr->record_encoding.c_str();
1167 else if (assume_marc8_charset)
1168 record_encoding = "marc8";
1170 strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
1171 if (record_encoding)
1173 strcat(rec_type_str, "; charset=");
1174 strcat(rec_type_str, record_encoding);
1177 package.log("zoom", YLOG_LOG, "Getting record of type %s",
1180 xmlChar *xmlrec_buf = 0;
1181 const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
1183 if (!rec_buf && !npr)
1185 std::string addinfo("ZOOM_record_get failed for type ");
1187 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1188 addinfo += rec_type_str;
1189 log_diagnostic(package, error, addinfo.c_str());
1190 npr = zget_surrogateDiagRec(odr, odr_database,
1191 error, addinfo.c_str());
1195 package.log_write(rec_buf, rec_len);
1196 package.log_write("\r\n", 2);
1199 if (rec_buf && b->xsp && enable_pz2_transform)
1201 xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
1204 const char *addinfo = "xml parse failed for record";
1205 int error = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1206 log_diagnostic(package, error, addinfo);
1207 npr = zget_surrogateDiagRec(
1208 odr, odr_database, error, addinfo);
1213 xsltApplyStylesheet(b->xsp, rec_doc, 0);
1217 xsltSaveResultToString(&xmlrec_buf, &rec_len,
1219 rec_buf = (const char *) xmlrec_buf;
1220 package.log("zoom", YLOG_LOG, "xslt successful");
1221 package.log_write(rec_buf, rec_len);
1223 xmlFreeDoc(rec_res);
1227 std::string addinfo;
1229 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
1231 addinfo = "xslt apply failed for "
1232 + b->sptr->transform_xsl_fname;
1233 log_diagnostic(package, error, addinfo.c_str());
1234 npr = zget_surrogateDiagRec(
1235 odr, odr_database, error, addinfo.c_str());
1237 xmlFreeDoc(rec_doc);
1243 xmlDoc *doc = xmlParseMemory(rec_buf, rec_len);
1245 mp::xml::url_recipe_handle(doc, b->sptr->urlRecipe);
1246 if (res.length() && b->content_session_id.length())
1248 size_t off = res.find_first_of("://");
1249 if (off != std::string::npos)
1252 sprintf(tmp, "%s.%s/",
1253 b->content_session_id.c_str(),
1254 m_p->content_proxy_server.c_str());
1255 res.insert(off + 3, tmp);
1260 xmlNode *ptr = xmlDocGetRootElement(doc);
1261 while (ptr && ptr->type != XML_ELEMENT_NODE)
1264 xmlNewChild(ptr, 0, BAD_CAST "metadata", 0);
1265 xmlNewProp(c, BAD_CAST "type", BAD_CAST
1267 xmlNode * t = xmlNewText(BAD_CAST res.c_str());
1271 xmlFree(xmlrec_buf);
1273 xmlDocDumpMemory(doc, &xmlrec_buf, &rec_len);
1274 rec_buf = (const char *) xmlrec_buf;
1281 npr = zget_surrogateDiagRec(
1283 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1287 npr = (Z_NamePlusRecord *)
1288 odr_malloc(odr, sizeof(*npr));
1289 npr->databaseName = odr_database;
1290 npr->which = Z_NamePlusRecord_databaseRecord;
1291 npr->u.databaseRecord =
1292 z_ext_record_xml(odr, rec_buf, rec_len);
1296 xmlFree(xmlrec_buf);
1301 (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
1304 npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
1305 npr->databaseName = odr_database;
1306 npr->which = Z_NamePlusRecord_databaseRecord;
1307 npr->u.databaseRecord = ext;
1311 npr = zget_surrogateDiagRec(
1313 YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
1314 "ZOOM_record, type ext");
1317 npl->records[i] = npr;
1319 records = (Z_Records*) odr_malloc(odr, sizeof(*records));
1320 records->which = Z_Records_DBOSD;
1321 records->u.databaseOrSurDiagnostics = npl;
1326 struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
1329 struct cql_node *r = 0;
1337 std::map<std::string,std::string>::const_iterator it;
1338 it = fieldmap.find(cn->u.st.index);
1339 if (it == fieldmap.end())
1341 if (it->second.length())
1342 cn->u.st.index = odr_strdup(odr, it->second.c_str());
1348 r = convert_cql_fields(cn->u.boolean.left, odr);
1350 r = convert_cql_fields(cn->u.boolean.right, odr);
1353 r = convert_cql_fields(cn->u.sort.search, odr);
1359 void yf::Zoom::Frontend::log_diagnostic(mp::Package &package,
1360 int error, const char *addinfo)
1362 const char *err_msg = yaz_diag_bib1_str(error);
1364 package.log("zoom", YLOG_WARN, "Diagnostic %d %s: %s",
1365 error, err_msg, addinfo);
1367 package.log("zoom", YLOG_WARN, "Diagnostic %d %s:",
1371 void yf::Zoom::Frontend::handle_search(mp::Package &package)
1373 Z_GDU *gdu = package.request().get();
1374 Z_APDU *apdu_req = gdu->u.z3950;
1375 Z_APDU *apdu_res = 0;
1377 Z_SearchRequest *sr = apdu_req->u.searchRequest;
1378 if (sr->num_databaseNames != 1)
1380 int error = YAZ_BIB1_TOO_MANY_DATABASES_SPECIFIED;
1381 log_diagnostic(package, error, 0);
1382 apdu_res = odr.create_searchResponse(apdu_req, error, 0);
1383 package.response() = apdu_res;
1389 std::string db(sr->databaseNames[0]);
1390 BackendPtr b = get_backend_from_databases(package, db, &error,
1394 log_diagnostic(package, error, addinfo);
1395 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1396 package.response() = apdu_res;
1400 b->set_option("setname", "default");
1402 bool enable_pz2_retrieval = false;
1403 bool enable_pz2_transform = false;
1404 bool assume_marc8_charset = false;
1405 prepare_elements(b, sr->preferredRecordSyntax, 0 /*element_set_name */,
1406 enable_pz2_retrieval,
1407 enable_pz2_transform,
1408 assume_marc8_charset);
1411 Z_Query *query = sr->query;
1412 WRBUF ccl_wrbuf = 0;
1413 WRBUF pqf_wrbuf = 0;
1414 std::string sortkeys;
1416 if (query->which == Z_Query_type_1 || query->which == Z_Query_type_101)
1419 pqf_wrbuf = wrbuf_alloc();
1420 yaz_rpnquery_to_wrbuf(pqf_wrbuf, query->u.type_1);
1422 else if (query->which == Z_Query_type_2)
1425 ccl_wrbuf = wrbuf_alloc();
1426 wrbuf_write(ccl_wrbuf, (const char *) query->u.type_2->buf,
1427 query->u.type_2->len);
1429 else if (query->which == Z_Query_type_104 &&
1430 query->u.type_104->which == Z_External_CQL)
1433 const char *cql = query->u.type_104->u.cql;
1434 CQL_parser cp = cql_parser_create();
1435 int r = cql_parser_string(cp, cql);
1436 package.log("zoom", YLOG_LOG, "CQL: %s", cql);
1439 cql_parser_destroy(cp);
1440 error = YAZ_BIB1_MALFORMED_QUERY;
1441 const char *addinfo = "CQL syntax error";
1442 log_diagnostic(package, error, addinfo);
1444 odr.create_searchResponse(apdu_req, error, addinfo);
1445 package.response() = apdu_res;
1448 struct cql_node *cn = cql_parser_result(cp);
1449 struct cql_node *cn_error = m_p->convert_cql_fields(cn, odr);
1452 // hopefully we are getting a ptr to a index+relation+term node
1453 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
1455 if (cn_error->which == CQL_NODE_ST)
1456 addinfo = cn_error->u.st.index;
1458 log_diagnostic(package, error, addinfo);
1459 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1460 package.response() = apdu_res;
1465 r = cql_to_ccl_buf(cn, ccl_buf, sizeof(ccl_buf));
1468 ccl_wrbuf = wrbuf_alloc();
1469 wrbuf_puts(ccl_wrbuf, ccl_buf);
1471 WRBUF sru_sortkeys_wrbuf = wrbuf_alloc();
1473 cql_sortby_to_sortkeys(cn, wrbuf_vp_puts, sru_sortkeys_wrbuf);
1474 WRBUF sort_spec_wrbuf = wrbuf_alloc();
1475 yaz_srw_sortkeys_to_sort_spec(wrbuf_cstr(sru_sortkeys_wrbuf),
1477 wrbuf_destroy(sru_sortkeys_wrbuf);
1479 yaz_tok_cfg_t tc = yaz_tok_cfg_create();
1480 yaz_tok_parse_t tp =
1481 yaz_tok_parse_buf(tc, wrbuf_cstr(sort_spec_wrbuf));
1482 yaz_tok_cfg_destroy(tc);
1484 /* go through sortspec and map fields */
1485 int token = yaz_tok_move(tp);
1486 while (token != YAZ_TOK_EOF)
1488 if (token == YAZ_TOK_STRING)
1490 const char *field = yaz_tok_parse_string(tp);
1491 std::map<std::string,std::string>::iterator it;
1492 it = b->sptr->sortmap.find(field);
1493 if (it != b->sptr->sortmap.end())
1494 sortkeys += it->second;
1499 token = yaz_tok_move(tp);
1500 if (token == YAZ_TOK_STRING)
1502 sortkeys += yaz_tok_parse_string(tp);
1504 if (token != YAZ_TOK_EOF)
1507 token = yaz_tok_move(tp);
1510 yaz_tok_parse_destroy(tp);
1511 wrbuf_destroy(sort_spec_wrbuf);
1513 cql_parser_destroy(cp);
1516 error = YAZ_BIB1_MALFORMED_QUERY;
1517 const char *addinfo = "CQL to CCL conversion error";
1519 log_diagnostic(package, error, addinfo);
1520 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1521 package.response() = apdu_res;
1527 error = YAZ_BIB1_QUERY_TYPE_UNSUPP;
1528 const char *addinfo = 0;
1529 log_diagnostic(package, error, addinfo);
1530 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1531 package.response() = apdu_res;
1538 assert(pqf_wrbuf == 0);
1540 struct ccl_rpn_node *cn;
1541 package.log("zoom", YLOG_LOG, "CCL: %s", wrbuf_cstr(ccl_wrbuf));
1542 cn = ccl_find_str(b->sptr->ccl_bibset, wrbuf_cstr(ccl_wrbuf),
1544 wrbuf_destroy(ccl_wrbuf);
1547 char *addinfo = odr_strdup(odr, ccl_err_msg(cerror));
1548 error = YAZ_BIB1_MALFORMED_QUERY;
1552 case CCL_ERR_UNKNOWN_QUAL:
1553 error = YAZ_BIB1_UNSUPP_USE_ATTRIBUTE;
1555 case CCL_ERR_TRUNC_NOT_LEFT:
1556 case CCL_ERR_TRUNC_NOT_RIGHT:
1557 case CCL_ERR_TRUNC_NOT_BOTH:
1558 error = YAZ_BIB1_UNSUPP_TRUNCATION_ATTRIBUTE;
1561 log_diagnostic(package, error, addinfo);
1562 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1563 package.response() = apdu_res;
1566 pqf_wrbuf = wrbuf_alloc();
1567 ccl_pquery(pqf_wrbuf, cn);
1568 package.log("zoom", YLOG_LOG, "RPN: %s", wrbuf_cstr(pqf_wrbuf));
1574 ZOOM_query q = ZOOM_query_create();
1575 ZOOM_query_sortby2(q, b->sptr->sortStrategy.c_str(), sortkeys.c_str());
1577 if (b->get_option("sru"))
1581 zquery = p_query_rpn(odr, wrbuf_cstr(pqf_wrbuf));
1582 WRBUF wrb = wrbuf_alloc();
1584 if (!strcmp(b->get_option("sru"), "solr"))
1586 solr_transform_t cqlt = solr_transform_create();
1588 status = solr_transform_rpn2solr_wrbuf(cqlt, wrb, zquery);
1590 solr_transform_close(cqlt);
1594 cql_transform_t cqlt = cql_transform_create();
1596 status = cql_transform_rpn2cql_wrbuf(cqlt, wrb, zquery);
1598 cql_transform_close(cqlt);
1602 ZOOM_query_cql(q, wrbuf_cstr(wrb));
1603 package.log("zoom", YLOG_LOG, "CQL: %s", wrbuf_cstr(wrb));
1604 b->search(q, &hits, &error, &addinfo, odr);
1606 ZOOM_query_destroy(q);
1609 wrbuf_destroy(pqf_wrbuf);
1612 error = YAZ_BIB1_MALFORMED_QUERY;
1613 const char *addinfo = "can not convert from RPN to CQL/SOLR";
1614 log_diagnostic(package, error, addinfo);
1615 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1616 package.response() = apdu_res;
1622 ZOOM_query_prefix(q, wrbuf_cstr(pqf_wrbuf));
1623 package.log("zoom", YLOG_LOG, "search PQF: %s", wrbuf_cstr(pqf_wrbuf));
1624 b->search(q, &hits, &error, &addinfo, odr);
1625 ZOOM_query_destroy(q);
1626 wrbuf_destroy(pqf_wrbuf);
1629 const char *element_set_name = 0;
1630 Odr_int number_to_present = 0;
1632 mp::util::piggyback_sr(sr, hits, number_to_present, &element_set_name);
1634 Odr_int number_of_records_returned = 0;
1635 Z_Records *records = get_records(
1637 0, number_to_present, &error, &addinfo,
1638 &number_of_records_returned, odr, b, sr->preferredRecordSyntax,
1641 log_diagnostic(package, error, addinfo);
1642 apdu_res = odr.create_searchResponse(apdu_req, error, addinfo);
1645 apdu_res->u.searchResponse->records = records;
1646 apdu_res->u.searchResponse->numberOfRecordsReturned =
1647 odr_intdup(odr, number_of_records_returned);
1649 apdu_res->u.searchResponse->resultCount = odr_intdup(odr, hits);
1650 package.response() = apdu_res;
1653 void yf::Zoom::Frontend::handle_present(mp::Package &package)
1655 Z_GDU *gdu = package.request().get();
1656 Z_APDU *apdu_req = gdu->u.z3950;
1657 Z_APDU *apdu_res = 0;
1658 Z_PresentRequest *pr = apdu_req->u.presentRequest;
1663 package.response() = odr.create_presentResponse(
1664 apdu_req, YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST, 0);
1667 const char *element_set_name = 0;
1668 Z_RecordComposition *comp = pr->recordComposition;
1669 if (comp && comp->which != Z_RecordComp_simple)
1671 package.response() = odr.create_presentResponse(
1673 YAZ_BIB1_PRESENT_COMP_SPEC_PARAMETER_UNSUPP, 0);
1676 if (comp && comp->u.simple->which == Z_ElementSetNames_generic)
1677 element_set_name = comp->u.simple->u.generic;
1678 Odr_int number_of_records_returned = 0;
1681 Z_Records *records = get_records(package,
1682 *pr->resultSetStartPoint - 1, *pr->numberOfRecordsRequested,
1683 &error, &addinfo, &number_of_records_returned, odr, m_backend,
1684 pr->preferredRecordSyntax, element_set_name);
1686 apdu_res = odr.create_presentResponse(apdu_req, error, addinfo);
1689 apdu_res->u.presentResponse->records = records;
1690 apdu_res->u.presentResponse->numberOfRecordsReturned =
1691 odr_intdup(odr, number_of_records_returned);
1693 package.response() = apdu_res;
1696 void yf::Zoom::Frontend::handle_package(mp::Package &package)
1698 Z_GDU *gdu = package.request().get();
1701 else if (gdu->which == Z_GDU_Z3950)
1703 Z_APDU *apdu_req = gdu->u.z3950;
1706 wrbuf_rewind(m_backend->m_apdu_wrbuf);
1707 if (apdu_req->which == Z_APDU_initRequest)
1710 package.response() = odr.create_close(
1712 Z_Close_protocolError,
1715 else if (apdu_req->which == Z_APDU_searchRequest)
1717 handle_search(package);
1719 else if (apdu_req->which == Z_APDU_presentRequest)
1721 handle_present(package);
1726 package.response() = odr.create_close(
1728 Z_Close_protocolError,
1729 "zoom filter cannot handle this APDU");
1730 package.session().close();
1734 WRBUF w = m_backend->m_apdu_wrbuf;
1735 package.log_write(wrbuf_buf(w), wrbuf_len(w));
1740 package.session().close();
1744 void yf::Zoom::Impl::process(mp::Package &package)
1746 FrontendPtr f = get_frontend(package);
1747 Z_GDU *gdu = package.request().get();
1749 if (f->m_is_virtual)
1751 f->handle_package(package);
1753 else if (gdu && gdu->which == Z_GDU_Z3950 && gdu->u.z3950->which ==
1756 Z_InitRequest *req = gdu->u.z3950->u.initRequest;
1757 f->m_init_gdu = gdu;
1760 Z_APDU *apdu = odr.create_initResponse(gdu->u.z3950, 0, 0);
1761 Z_InitResponse *resp = apdu->u.initResponse;
1764 static const int masks[] = {
1769 for (i = 0; masks[i] != -1; i++)
1770 if (ODR_MASK_GET(req->options, masks[i]))
1771 ODR_MASK_SET(resp->options, masks[i]);
1773 static const int versions[] = {
1774 Z_ProtocolVersion_1,
1775 Z_ProtocolVersion_2,
1776 Z_ProtocolVersion_3,
1779 for (i = 0; versions[i] != -1; i++)
1780 if (ODR_MASK_GET(req->protocolVersion, versions[i]))
1781 ODR_MASK_SET(resp->protocolVersion, versions[i]);
1785 *resp->preferredMessageSize = *req->preferredMessageSize;
1786 *resp->maximumRecordSize = *req->maximumRecordSize;
1788 package.response() = apdu;
1789 f->m_is_virtual = true;
1794 release_frontend(package);
1798 static mp::filter::Base* filter_creator()
1800 return new mp::filter::Zoom;
1804 struct metaproxy_1_filter_struct metaproxy_1_filter_zoom = {
1815 * c-file-style: "Stroustrup"
1816 * indent-tabs-mode: nil
1818 * vim: shiftwidth=4 tabstop=8 expandtab